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National Science Foundation

(Encyclopedia) National Science Foundation (NSF), an independent agency in the executive branch of the U.S. federal government concerned with promoting a national science policy by supporting basic?

Mohole, Project

(Encyclopedia) Mohole, Project, program proposed in 1957 to drill a hole down to the boundary between the crust and the mantle, known as the Mohorovi?i? discontinuity at about 4 to 43 mi (7 to 70 km?

Deep Sea Drilling Project

(Encyclopedia) Deep Sea Drilling Project, U.S. program designed to investigate the evolution of ocean basins by core drilling of ocean sediments and underlying oceanic crust. Funded by the National?

Kitt Peak National Observatory

(Encyclopedia) Kitt Peak National Observatory, astronomical observatory located southwest of Tucson, Ariz.; it was founded in 1958 under contract with the National Science Foundation and is?

Cerro Tololo Inter-American Observatory

(Encyclopedia) Cerro Tololo Inter-American Observatory s?r? t?l?l?, astronomical observatory located on Cerro Tololo peak, Chile, with offices in La Serena, about 40 mi (64 km) to the west. Funded?

Conant, James Bryant

(Encyclopedia) Conant, James Bryant k?n?nt, 1893?1978, American educator, chemist, and diplomat, b. Dorchester, Mass., grad. Harvard (B.A., 1913; Ph.D., 1916). Except for a brief period in the army?

Arecibo Observatory

(Encyclopedia) Arecibo Observatory, radio-astronomy facility located near Arecibo, Puerto Rico, that includes one of the world's largest single-dish radio telescopes, part of the National?

National Radio Astronomy Observatory

(Encyclopedia) National Radio Astronomy Observatory (NRAO), federal observatory for radio astronomy, founded in 1956 and operated under contract with the National Science Foundation by Associated?

Vishniac, Roman

(Encyclopedia) Vishniac, Roman v?shn??k, 1897?1990, Russian-American biologist, photographer, linguist, art historian, and philosopher, b. Pavlosk, near St. Petersburg. Vishniac took degrees in?